i965: Add support for gl_BaseVertexARB and gl_BaseInstanceARB

[mesa.git] / src / mesa / drivers / dri / i965 / brw_vec4.cpp

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index f0f18ca776801fd3380f7c7fc4e8297a2535ceb9..b2a27d873e71545374f2beed2a38564276f972a6 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -1581,7 +1581,8 @@ vec4_vs_visitor::setup_attributes(int payload_reg)
     * don't represent it with a flag in inputs_read, so we call it
     * VERT_ATTRIB_MAX.
     */
-   if (vs_prog_data->uses_vertexid || vs_prog_data->uses_instanceid) {
+   if (vs_prog_data->uses_vertexid || vs_prog_data->uses_instanceid ||
+       vs_prog_data->uses_basevertex || vs_prog_data->uses_baseinstance) {
       attribute_map[VERT_ATTRIB_MAX] = payload_reg + nr_attributes;
    }
 
@@ -1982,7 +1983,9 @@ brw_compile_vs(const struct brw_compiler *compiler, void *log_data,
     * incoming vertex attribute.  So, add an extra slot.
     */
    if (shader->info.system_values_read &
-       (BITFIELD64_BIT(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE) |
+       (BITFIELD64_BIT(SYSTEM_VALUE_BASE_VERTEX) |
+        BITFIELD64_BIT(SYSTEM_VALUE_BASE_INSTANCE) |
+        BITFIELD64_BIT(SYSTEM_VALUE_VERTEX_ID_ZERO_BASE) |
         BITFIELD64_BIT(SYSTEM_VALUE_INSTANCE_ID))) {
       nr_attributes++;
    }